[MIG] contract: Migration to 13.0

- Standard procedure
- Adapt invoice creation to new account.move
- Tests adapted

contract/wizards/contract_contract_terminate.py

@@ -1,7 +1,7 @@
 # Copyright 2020 ACSONE SA/NV
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import api, fields, models
+from odoo import fields, models
 
 
 class ContractContractTerminate(models.TransientModel):
@@ -27,7 +27,6 @@ class ContractContractTerminate(models.TransientModel):
         related="terminate_reason_id.terminate_comment_required"
     )
 
-    @api.multi
     def terminate_contract(self):
         for wizard in self:
             wizard.contract_id._terminate_contract(

contract/wizards/contract_line_wizard.py

@@ -1,7 +1,7 @@
 # Copyright 2018 ACSONE SA/NV
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import api, fields, models
+from odoo import fields, models
 
 
 class ContractLineWizard(models.TransientModel):
@@ -28,7 +28,6 @@ class ContractLineWizard(models.TransientModel):
         ondelete="cascade",
     )
 
-    @api.multi
     def stop(self):
         for wizard in self:
             wizard.contract_line_id.stop(
@@ -36,7 +35,6 @@ class ContractLineWizard(models.TransientModel):
             )
         return True
 
-    @api.multi
     def plan_successor(self):
         for wizard in self:
             wizard.contract_line_id.plan_successor(
@@ -44,7 +42,6 @@ class ContractLineWizard(models.TransientModel):
             )
         return True
 
-    @api.multi
     def stop_plan_successor(self):
         for wizard in self:
             wizard.contract_line_id.stop_plan_successor(
@@ -52,7 +49,6 @@ class ContractLineWizard(models.TransientModel):
             )
         return True
 
-    @api.multi
     def uncancel(self):
         for wizard in self:
             wizard.contract_line_id.uncancel(wizard.recurring_next_date)

contract/wizards/contract_manually_create_invoice.py

@@ -36,7 +36,6 @@ class ContractManuallyCreateInvoice(models.TransientModel):
         )
         self.contract_to_invoice_count = len(self.contract_to_invoice_ids)
 
-    @api.multi
     def action_show_contract_to_invoice(self):
         self.ensure_one()
         return {
@@ -48,16 +47,15 @@ class ContractManuallyCreateInvoice(models.TransientModel):
             "context": self.env.context,
         }
 
-    @api.multi
     def create_invoice(self):
         self.ensure_one()
-        invoices = self.env["account.invoice"]
+        invoices = self.env["account.move"]
         for contract in self.contract_to_invoice_ids:
             invoices |= contract.recurring_create_invoice()
         return {
             "type": "ir.actions.act_window",
             "name": _("Invoices"),
-            "res_model": "account.invoice",
+            "res_model": "account.move",
             "domain": [("id", "in", invoices.ids)],
             "view_mode": "tree,form",
             "context": self.env.context,